Pipe coupling segment



FIG. 1 is an isometric view of a design of a pipe coupling segment according to our invention;

FIG. 2 is a left side view of the pipe coupling segment shown in FIG. 1, the right side view being a mirror image thereof;

FIG. 3 is a top view of the pipe coupling segment shown in FIG. 1;

FIG. 4 is a bottom view of the pipe coupling segment shown in FIG. 1; and,

FIG. 5 is a left end view of the pipe coupling segment shown in FIG. 1, the right end view being identical.

The broken lines depict portions of the article that form no part of the claimed design. 

CLAIM We claim the ornamental design for a pipe coupling segment, as shown and described. 